Research Article
Effect of Keratin Structures from Chicken Feathers on Expansive Soil Remediation
Table 3
Nomenclature adopted for feather segments-soil mixtures.
| Type of fiber | Feather segment (wt %) | Nomenclature |
| Natural Soil | 0.00 | SN | Barbs | 0.25 | SMB-0.25% | Barbs | 0.50 | SMB-0.5% | Barbs | 1.00 | SMB-1% | Barbs | 3.00 | SMB-3% | Quill | 0.25 | SMQ-0.25% | Quill | 0.50 | SMQ-0.5% | Quill | 1.00 | SMQ-1% | Quill | 3.00 | SMQ-3% | Total fiber | 0.25 | SMT-0.25% | Total fiber | 0.50 | SMT-0.5% | Total fiber | 1.00 | SMT-1% | Total fiber | 3.00 | SMT-3% |
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